The Surface Enhance Raman Effect of Tetrakis (Sodium SulfonatePhenyl) Porphyrin (TPPS4)

Chem. J. Chinese Universities ›› 1993, Vol. 14 ›› Issue (10): 1414.

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The Surface Enhance Raman Effect of Tetrakis (Sodium SulfonatePhenyl) Porphyrin (TPPS₄)

FU Hong-Gang¹, WANG Yu-Tian², LIANG Yin-Qiu³

1. Department of Chemistry, Heilongjiang University, Harbin, 150080;
2. Institute of Theoretial Chemistry, Jilin University, Changchun;
3. Department of Chemistry, Nanjing University, Nanjing

Received:1992-11-20 Revised:1993-04-28 Online:1993-10-24 Published:1993-10-24

Abstract

Abstract: In this paper, we observe the Surface Enhance Raman Scattering of TPPS₄ adsorbed on Ag electrode by activation at potential 1.2 Vwhich is close to the reduction potential of TPPS.The spectral peaks were assigned and a normal coordinate analysis was performed for modes in plane by using SGVFFfield.The results show that the vibrational modes which are relative to Natom were enhanced much areatly.In contrast to these results we explain the mechanism of TPPS₄ enhanced effect.

Key words: SERS, Tetrakis(sodium phenyl) porphyrin, Mechanism of enhanced effect, Normal coordinate analysis

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FU Hong-Gang, WANG Yu-Tian, LIANG Yin-Qiu. The Surface Enhance Raman Effect of Tetrakis (Sodium SulfonatePhenyl) Porphyrin (TPPS₄)[J]. Chem. J. Chinese Universities, 1993, 14(10): 1414.

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The Surface Enhance Raman Effect of Tetrakis (Sodium SulfonatePhenyl) Porphyrin (TPPS₄)

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